Minerals

Fellow who figured out that a body in water is buoyed up by a force equal to water displaced

Man made object with a hardness of 5.5

Heavies sink down, light float up

Ability to form without breaking

Final requirement of a feldspar

Number of elements to make up 98% of the Earth's crust

Number of elements that make up 75% of the Earth's crust

Bubbling in response to dilute acid.

number 4 on the hardness scale

Easiest way to differentiate halite

Class which makes up most animal skeletons

Least dependable visual characteristic

Class of minerals Characterized by sulfur and oxygen

class to which pyrite belongs

The way light bounces off a material

Second most common elements in Earth's crust

Class which contains corundum

Number of the times a sample is as heavy as an equal volume of water

Ability to withstand scratching

Natural solid with known structure and compostion

Classification of mercury

Most common class of minerals

Class of minerals formed b evaporating water

Mineral which makes up human bones

Three dimensional expression of a mineral

Most common element in Earth's crust

Man made object with a hardness of 6

Trail of mineral left on a porcelain plate